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Card Type

Modem (asynchronous)

Chip Set

Rockwell

I/O Options

Voice, speakerphone, microphone in, speaker out

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Rockwell V.FC, K56+

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

16-bit ISA

Card Size

Three-quarter length, full-height

CONNECTIONS

Function

Label

Function

Label

Telephone line

CN1

Microphone in or speaker out

CN3

Telephone line

CN2

Microphone in or speaker out

CN4

Note: It is not known which of CN1 and CN2 is the microphone in jack and which is the speaker out jack.

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, �comma�, A/

A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &P, &R, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \K, \N, \V

%C, %E, %L, %Q

Special AT Commands

#CID, +MS

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S28, S29, S30, S32, S33, S36, S38, S39, S40, S46, S48, S82, S86, S91, S92, S95

UNIDENTIFIED COMMANDS

Command

Default

+ES=nnn

3,0,2

+ESA=nnnnnnnn

0,0,0,0,0,0,0,0

+ITF=nn

255,64

BIT-MAPPED REGISTER S31

Format:

AT [cmds] S31=n [cmds]

Default:

2

Range:

0 - 43

Description:

Select automode, extended result code format, and caller ID format.

Bit

Value

Function

0

í 0

1

Extended result codes set for single-line format.

1

í 1

In answer mode, handshake attempted with the following protocols in order - V.FC, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103

3, 2

í 00

10

Enables CONNECT result codes to report DCE speed

5, 4

í 00

10

Caller ID displays raw hexadecimal data.

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Default:

71

Range:

0 - 71

Description:

Selects compression and auto-retrain.

Bit

Value

Function

1, 0

í 11

MNP5 and V.42bis enabled.

6, 2

í 11

Auto-fallback/fall-forward enabled.

5 - 3

000

Not used.

DIAL

Type:

Immediate

Format:

AT [cmds] D<#>;[cmds]

Description:

Dials the telephone number indicated according to any modifiers included in the string.

Command

Function

DL

Re-dial last number.

DP

Pulse dialing enabled.

DS=n

Dial stored telephone number n.

DT

Tone dialing enabled.

DW

Dialing resumed following dial tone detection.

D,

Dialing paused for amount of time specified in S8 register.

D>

Transmit grounding pulse.

D!

Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.

D@

Wait for Quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.

D&

Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.

D*

Toggles calling tone on or off for this call.

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DISPLAY BLACKLIST NUMBERS

Type:

Immediate

Format:

AT [cmds] *B [cmds]

Description:

Displays the list of all the numbers on the blacklist and their statuses.

DISPLAY CHIPSET MANUFACTURER

Type:

Immediate

Format:

AT [cmds] #MFR? [cmds]

Description:

Displays the voice chipset manufacturer�s name.

DISPLAY CHIPSET MODEL NAME

Type:

Immediate

Format:

AT [cmds] #MDL? [cmds]

Description:

Displays the model name of the modem's voice chipset.

DISPLAY CHIPSET REVISION

Type:

Immediate

Format:

AT [cmds] #REV? [cmds]

Description:

Displays the revision level of the modem's voice chipset.

DISPLAY DELAYED NUMBERS

Type:

Immediate

Format:

AT [cmds] *D [cmds]

Description:

Displays the list of all delayed numbers and their statuses.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays product identification code.

I1

Displays ROM checksum.

I2

Tests and displays ROM checksum result.

I3

Displays firmware revision, model, and interface.

I4

Displays product name.

I5

Displays country code.

I6

Displays data pump model and revision.

DISTINCTIVE RING

Format:

AT [cmds] -SDR=n [cmds]

Default:

Unidentified

Range:

0 - 7

Description:

Selects which distinctive ring signals the modem will respond to.

Bit

Value

Function

0

1

Respond to distinctive ring type 1.

1

1

Respond to distinctive ring type 2.

2

1

Respond to distinctive ring type 3.

MODE SELECTION

Type:

Immediate

Format:

AT [cmds] #CLS=n [cmds]

Description:

Selects which mode the modem will operate in.

Command

Function

#CLS=0

Modem will operate in data mode.

#CLS=1

Modem will operate in fax class 1 mode.

#CLS=8

Modem will operate in voice mode.

RPI CONFIGURATION

Type:

Configuration

Format:

AT [cmds] +Hn [cmds]

Description:

Configures the Rockwell Protocol Interface.

Command

Function

+H0

RPI disabled.

+H1

RPI enabled and local serial port speed set to 19.2Kbps.

+H2

RPI enabled and local serial port speed set to 38.4Kbps.

+H3

RPI enabled and local serial port speed set to 57.6Kbps.

+H11

RPI+ enabled.

SPEAKERPHONE OPTIONS

Type:

Configuration

Format:

AT [cmds] #SPK=x,y,z [cmds]

Description:

Sets various options for speakerphone functions.

Command

Function

x=0

Microphone enabled.

x=1

Microphone disabled.

x=2

Microphone enabled with maximum gain, speaker disabled.

y

Default:

5

Range:

0 - 16

Unit:

-2 dBm

Description:

Sets the attenuation level for speaker output in voice mode. A value of 16 will mute the speaker.

z=0

Microphone gain set to 0 dBm.

z=1

Microphone gain set to 6 dBm.

z=2

Microphone gain set to 9.5 dBm.

z=3

Microphone gain set to 12 dBm.

TONE DETECTION

Format:

AT [cmds] #VTD=x,y,z [cmds]

Default:

x,y,z 63

Range:

0 - 63

Description:

Sets which tones the tone detection will report.

Note:

The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode.

Bit

Value

Function

0

í 1

DTMF tones are detected.

1

í 1

V.25 1300Hz calling tone is detected.

2

í 1

T.30 1100Hz fax tone is detected.

3

í 1

V.25/T.30 2100Hz answer tone is detected.

4

í 1

Bell 2225Hz answer tone is detected.

5

í 1

Call progress tones are detected.

TONE GENERATOR - DIRECT ENTRY

Type:

Immediate

Format:

AT [cmds] #VTS=[m, n, x]

Range:

m 200-3000, n 200-3000, x 0-255

Unit:

m 1 Hz, n 1 Hz, x .1 second

Description:

Generates a dual-frequency tone for duration x at frequencies m and n.

TONE GENERATOR - TIMED PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS={a, n}

Range:

a 0-9, A-D, #, *; x 0-255

Unit:

x .1 second

Description:

Generates the DTMF tone for duration x for the character a.

TONE GENERATOR - PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS=a

Range:

0-9, A-D, #, *

Description:

Generates the DTMF tones for the characters in the string for the duration set with +VBT.

TONE GENERATOR LENGTH

Format

AT [cmds] #VBT=n [cmds]

Default:

10

Range:

0 - 40

Unit:

0.1 second

Description:

Sets the length of DTMF tones that are generated.

VOICE BUFFER SPACE

Type:

Configuration

Format:

AT [cmds] #VSK=n [cmds]

Default:

255

Range:

0 - 255

Unit:

1 byte

Description:

Sets the amount of data the modem can send into the buffer after the XOFF signal is sent.

VOICE DEVICE

Type:

Configuration

Format:

AT [cmds] #VLS=n [cmds]

Description:

Selects the I/O device for the DSP chip.

Note:

This modem may not support all options listed below. The #VLS? command will display the available options.

Command

Function

í #VLS=0

Telephone line and handset used for voice I/O.

#VLS=1

Telephone handset used for voice I/O.

#VLS=2

Internal speaker only used for voice I/O.

#VLS=3

External microphone only used for voice I/O.

#VLS=4

Telephone line and handset used for voice I/O; internal speaker enabled.

#VLS=5

Headset used for voice I/O.

#VLS=6

Speakerphone used for voice I/O.

#VLS=7

Handset muted by disconnecting handset or speakerphone from telephone line.

#VLS=8

Connects caller ID relay for recording of conversation over handset.

#VLS=9

Connects handset (or speakerphone) to DSP chip for recording or playback.

VOICE - DISPLAY BUFFER SIZE

Type:

Immediate

Format:

AT [cmds] #VBQ? [cmds]

Description:

Displays the size of the voice buffer.

VOICE - DISPLAY COMPRESSION TYPE

Type:

Immediate

Format:

AT [cmds] #VCI? [cmds]

Description:

Displays the type of compression currently in use.

VOICE - LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] #BDR=n [cmds]

Default:

0

Range:

0 - 48

Unit:

2400bps

Description:

Sets the speed of the local serial port when in voice mode. A value of 0 indicates that the modem should auto-detect the correct serial port speed.

VOICE RE-RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRA=n [cmds]

Default:

70

Range:

0-255

Unit:

10 mS

Description:

Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook.

VOICE RECEIVE

Type:

Immediate

Format:

AT [cmds] #VRX

Description:

Commands the modem to begin receiving voice data.

VOICE RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRN=n [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang.

VOICE SAMPLE QUALITY

Type:

Configuration

Format:

AT [cmds] #VBS=n [cmds]

Description:

Selects the number of bits per sample that the modem records.

Note:

This modem may not support all options listed below. The #VBS? command will display the available options.

Command

Function

#VBS=2

Modem records 2 bits per sample in ADPCM encoding.

#VBS=3

Modem records 3 bits per sample in ADPCM encoding.

í #VBS=4

Modem records 4 bits per sample in ADPCM encoding.

#VBS=8

Modem records 8 bits per sample in PCM encoding.

#VBS=16

Modem records 16 bits per sample in PCM encoding.

VOICE SAMPLING RATE

Type:

Configuration

Format:

AT [cmds] #VSR=n [cmds]

Description:

Sets the sampling rate used when recording voice signals.

Command

Function

í #VSR=7200

Selects a sampling rate of 7.2KHz.

#VSR=8000

Selects a sampling rate of 8KHz.

#VSR=11025

Selects a sampling rate of 11.025KHz in PCM encoding only.

VOICE SILENCE DETECTION TIME

Type:

Configuration

Format:

AT [cmds] #VSP=n [cmds]

Default:

Unidentified

Range:

0 - 255

Unit:

.1 second

Description:

Sets the minimum amount of silence that the modem will detect.

VOICE SILENCE DETECTION THRESHOLD

Type:

Configuration

Format:

AT [cmds] #VSS=n [cmds]

Description:

Sets the threshold of sensitivity that the modem uses to determine silence detection.

Command

Function

#VSS=0

Silence detection disabled.

#VSS=1

Minimum silence detection sensitivity.

#VSS=2

Standard silence detection sensitivity.

#VSS=3

Maximum silence detection sensitivity.

VOICE TIMING MARK

Type:

Configuration

Format:

AT [cmds] #VTM=n [cmds]

Description:

Configures timing mark placement.

Command

Function

#VTM=0

Timing marks disabled.

#VTM=1

Timing marks enabled.

VOICE TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] #TL=hhhh [cmds]

Default:

3FFF

Range:

0000 - 7FFF

Unit:

Unidentified (hexadecimal)

Description:

Sets the transmission level for sending audio in voice mode.

VOICE TRANSMIT

Type:

Immediate

Format:

AT [cmds] #VTX

Description:

Commands the modem to begin transmitting voice data.

VOICE VOLUME LEVEL

Type:

Configuration

Format:

AT [cmds] #VGT=n [cmds]

Description:

Sets the volume level when playing back audio signals.

Command

Function

#VGT=128

Low volume setting.

í #VGT=129

Medium volume setting.

#VGT=130

High volume setting.

#VGT=131

Highest volume setting.